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Description

A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-05-23 | Published 2026-05-24 | Updated 2026-06-01 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Information Disclosure

Improper Access Controls

Product status

2026.4.0
affected

2026.4.1
affected

2026.4.2
affected

2026.4.3
affected

2026.4.4
affected

2026.4.5
affected

2026.4.6
affected

2026.4.7
affected

2026.4.8
affected

2026.4.9
affected

2026.4.10
affected

2026.4.11
affected

2026.4.12
affected

2026.4.13
affected

2026.4.14
affected

2026.4.15
affected

2026.4.16
affected

2026.4.17
affected

2026.4.18
affected

2026.4.19
affected

2026.4.20
affected

2026.4.21
affected

2026.4.22
affected

2026.4.23
affected

Timeline

2026-05-23:Advisory disclosed
2026-05-23:VulDB entry created
2026-05-23:VulDB entry last update

Credits

Eric-i (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365315 (VDB-365315 | NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure) vdb-entry technical-description

vuldb.com/vuln/365315/cti (VDB-365315 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/812215 (Submit #812215 | NousResearch hermes-agent 2026.4.23 Exposure of Sensitive Information (CWE-200)) third-party-advisory

gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27 exploit

cve.org (CVE-2026-9352)

nvd.nist.gov (CVE-2026-9352)

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